cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A210731 a(n) = a(n-1) + a(n-2) + n + 3 with n>1, a(0) = a(1) = 0.

Table of values

n a(n)
0 0
1 0
2 5
3 11
4 23
5 42
6 74
7 126
8 211
9 349
10 573
11 936
12 1524
13 2476
14 4017
15 6511
16 10547
17 17078
18 27646
19 44746
20 72415
21 117185
22 189625
23 306836
24 496488
25 803352
26 1299869
27 2103251
28 3403151
29 5506434
30 8909618
31 14416086
32 23325739
33 37741861
34 61067637
35 98809536

List of values

[0, 0, 5, 11, 23, 42, 74, 126, 211, 349, 573, 936, 1524, 2476, 4017, 6511, 10547, 17078, 27646, 44746, 72415, 117185, 189625, 306836, 496488, 803352, 1299869, 2103251, 3403151, 5506434, 8909618, 14416086, 23325739, 37741861, 61067637, 98809536]